doc: sandbox: Fix up dependencies
These are out of date. Update them and point to the existing build
instructions to avoid duplication. Add a few that are missing.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/doc/arch/sandbox.rst b/doc/arch/sandbox.rst
index 9e23e16..f8804e1 100644
--- a/doc/arch/sandbox.rst
+++ b/doc/arch/sandbox.rst
@@ -43,11 +43,7 @@
Prerequisites
-------------
-Here are some packages that are worth installing if you are doing sandbox or
-tools development in U-Boot:
-
- python3-pytest lzma lzma-alone lz4 python3 python3-virtualenv
- libssl1.0-dev
+Install the dependencies noted in :doc:`../build/gcc`.
Basic Operation